Coffee machine with full-automatic water feeding function

Abstract

The utility model relates to the technical field of coffee machines, and discloses a full-automatic water inlet coffee machine which comprises a box body, a water tank, a heating pipeline, a water supply pipeline and a coffee making bin. A box door is hinged to the front side of the box body, the heating pipeline comprises a first pipeline, a three-way connector, a booster pump, a heating body and a second pipeline which are sequentially communicated, and the second pipeline is communicated with the coffee making bin; the water supply pipeline comprises a water inlet pipeline, a flow control pump and a connecting pipeline which are sequentially communicated, the flow control pump is fixedly connected with the box body, one end of the flow control pump is communicated with the water inlet pipeline, and the other end of the flow control pump is communicated with the third end of the three-way connector through the connecting pipeline. The water tank has the advantages that the water tank can be detached, water can be conveniently added, cleaning is facilitated, in addition, full-automatic water feeding can be achieved, the water level in the water tank can be controlled, and the control precision is high.

Description

Technical Field

[0001] The utility model relates to the technical field of coffee machines, in particular to a coffee machine with full-automatic water inlet. Background Art

[0002] In the prior art, the water tanks of some coffee machines are fixedly arranged in the tank body. When adding water, the water tank cover needs to be opened manually to add water. The water adding process is inconvenient. At the same time, it is not easy to disassemble and clean the water tank. In addition, since water is added manually, it is not easy to control the water level in the water tank. Utility Model Content

[0003] The purpose of the utility model is to provide a coffee machine with fully automatic water inlet, wherein the water tank can be disassembled to facilitate water addition and cleaning. In addition, fully automatic water inlet can be realized, and the water level in the water tank can be controlled with high control accuracy.

[0004] In order to achieve the above-mentioned object, the utility model provides a fully automatic water-inlet coffee machine, comprising a box body, a water tank, a heating pipeline, a water supply pipeline and a coffee making chamber;

[0005] The front side of the box body is hinged with a box door, the water tank is detachably installed in the box body and arranged toward the box door, a first water inlet is provided at the bottom of the water tank, and a low water level sensor is provided in the water tank;

[0006] The heating pipeline comprises a first pipeline, a three-way joint, a booster pump, a heating element, and a second pipeline which are connected in sequence. The heating element and the booster pump are fixedly connected to the box body. One end of the first pipeline is connected to the first water inlet, and the other end is connected to the first end of the three-way joint. The second end of the three-way joint is connected to the booster pump. The second pipeline is connected to the coffee making chamber.

[0007] The water supply pipeline includes a water inlet pipe, a flow control pump and a connecting pipe that are connected in sequence. The flow control pump is fixedly connected to the box body, and one end is connected to the water inlet pipe, and the other end is connected to the third end of the three-way joint through the connecting pipe. The flow control pump is electrically connected to the low water level sensor and the control system for controlling the water level in the water tank. The end of the water inlet pipe is also provided with a first connector for connecting to an external water purifier.

[0008] Furthermore, a shell is embedded in the front side of the box body, an installation cavity is provided in the shell, the water tank is located in the installation cavity, card interfaces are provided on two opposite side walls of the bottom of the water tank, and the inner wall of the installation cavity is provided with card bosses with the same number and corresponding positions as the card interfaces, and the card bosses are carded in the card interfaces.

[0009] Furthermore, the water tank includes a main body and a cover, wherein the cover is disposed on top of the main body, the interior of the main body is hollow and the upper end is open, the detection end of the water level sensor is located in the main body, and a handle is provided on the outer wall of the main body facing the box door.

[0010] Furthermore, the bottom surface of the cover body partially extends downward to form a clamping portion, and the outer wall of the clamping portion is arranged to fit the inner wall of the opening.

[0011] Furthermore, the body and the cover are both made of transparent material, and a low water level scale line and a high water level scale line are also provided on the side wall of the body.

[0012] Furthermore, a water flow sensor is also provided on the first pipeline, and the water flow sensor is located between the three-way joint and the booster pump.

[0013] Furthermore, a gap between the outer wall of the water tank and the installation cavity is less than or equal to 0.1 mm.

[0014] Furthermore, the angle between the box door and the box body is less than or equal to 180°.

[0015] Compared with the prior art, the coffee machine with fully automatic water inlet in the embodiment of the utility model has the following beneficial effects: a box door is hingedly provided on the front side of the box body, the water tank is detachably installed in the box body and arranged toward the box door, and the water tank can be disassembled by opening the box door, which is convenient for cleaning and the water tank can also be taken out for adding water; a booster pump is provided to increase the delivery pressure of the water flow in the heating pipeline, which is convenient for brewing and discharging coffee in the coffee making chamber; in addition, water in the external water purifier is injected into the water tank from the connecting pipe through the three-way joint through the first joint via the water inlet pipe and the flow control pump, so that automatic water inlet of the coffee machine can be realized; and the flow control pump is electrically connected to the low water level sensor, so that the water inlet amount in the water tank can be accurately controlled, and the degree of automation is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of a coffee machine with fully automatic water inlet according to an embodiment of the utility model;

[0017] Figure 2 This is a reference diagram of the use state of the coffee machine with fully automatic water inlet according to the embodiment of the utility model;

[0018] Figure 3 It is a schematic diagram of the assembly of the water tank of the coffee machine with fully automatic water inlet according to the embodiment of the utility model;

[0019] Figure 4 is a schematic structural diagram of a coffee machine with fully automatic water inlet from another perspective of an embodiment of the utility model;

[0020] Figure 5 It is a schematic structural diagram of the housing of a coffee machine with fully automatic water inlet according to an embodiment of the utility model;

[0021] Figure 6 It is a structural schematic diagram of the water inlet pipeline of the coffee machine with fully automatic water inlet according to an embodiment of the utility model;

[0022] Figure 7 It is a schematic structural diagram of a water tank of a coffee machine with fully automatic water inlet according to an embodiment of the utility model.

[0023] In the figure, 1. box body; 11. box door; 12. shell; 121. installation cavity; 1211. snap-on boss; 2. water tank; 201. snap-on interface; 21. main body; 211. handle; 212. low water level scale line; 213. high water level scale line; 22. cover; 221. snap-on part; 3. heating pipeline; 31. first pipeline; 32. three-way joint; 33. booster pump; 34. heating element; 35. second pipeline; 4. water supply pipeline; 41. water inlet pipeline; 42. flow control pump; 43. connecting pipeline; 44. first joint; 5. coffee making chamber. DETAILED DESCRIPTION

[0024] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0025] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "inside", "outside", etc. used in the present invention to indicate the orientation or positional relationship are based on the positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred devices and elements must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0026] In the description of the present invention, it should be understood that the terms "first", "second", etc. are used in the present invention to describe various information, but these information should not be limited to these terms, and these terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of the present invention, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information.

[0027] See also Figures 1 to 7, as shown, a fully automatic water-inlet coffee machine according to a preferred embodiment of the utility model comprises a box body 1, a water tank 2, a heating pipeline 3, a water supply pipeline 4 and a coffee making chamber 5; wherein the box body 1 is used as an installation carrier, and the water tank 2, the heating pipeline 3, the water supply pipeline 4 and the coffee making chamber 5 are all located in the box body 1. Specifically, in order to facilitate the disassembly of the water tank 2, in this embodiment, a box door 11 is hingedly provided on the front side of the box body 1. The water tank 2 is detachably installed in the box body 1 and is arranged toward the box door 11. When the box door 11 is opened, refer to Figure 1 , the water tank 2 can be taken out, which is convenient for cleaning the water tank 2 and adding water to the water tank 2. In order to realize automatic water addition to the water tank 2, a first water inlet is provided at the bottom of the water tank 2, and a low water level sensor is provided in the water tank 2; in order to heat the water in the water tank 2 and transport it to the coffee making chamber 5 for coffee brewing, specifically, the heating pipeline 3 includes a first pipeline 31, a three-way joint 32, a booster pump 33, a heating element 34, and a second pipeline 35 that are connected in sequence. The heating element 34 and the booster pump 33 are fixedly connected to the box body 1, see Figure 6 One end of the first pipe 31 is connected to the first water inlet, and the other end is connected to the first end of the three-way joint 32. The second end of the three-way joint 32 is connected to the booster pump 33. The second pipe 35 is connected to the coffee making chamber 5.

[0028] In order to add water to the water tank 2, in this embodiment, refer to Figure 4 , Figure 6 The water supply pipeline 4 includes a water inlet pipe 41, a flow control pump 42 and a connecting pipe 43 which are connected in sequence, wherein the flow control pump 42 is fixedly connected to the housing 1, and one end is connected to the water inlet pipe 41, and the other end is connected to the third end of the three-way joint 32 through the connecting pipe 43. In order to facilitate the precise control of the water level in the water tank 2, the flow control pump 42 is electrically connected to the low water level sensor, and the flow control pump 42 and the low water level sensor are both electrically connected to the control system in the housing 1. When the water level in the water tank 2 is lower than the monitoring value of the low water level sensor, the flow control pump 42 works and connects to the external water purifier for water addition. At the same time, since the flow control pump 42 can realize the control of the water inlet flow, the control system can control the water inlet time of the flow control pump 42. By adjusting the water inlet time of the flow control pump 42, the precise water level in the water tank 2 can be known. Further, in order to facilitate the connection between the water inlet pipe 41 and the external water purifier, a first joint 44 is also provided at the end of the water inlet pipe 41.

[0029] Further, in order to position the water tank 2 during installation and prevent the water tank 2 from moving after installation, refer to Figure 1 , Figure 2 , Figure 3 , Figure 5, a shell 12 is embedded in the front side of the box body 1, a mounting cavity 121 is provided in the shell 12, and the water tank 2 is located in the mounting cavity 121. At the same time, a card interface 201 is provided on the two opposite side walls of the bottom of the water tank 2, and the inner wall of the mounting cavity 121 is provided with a card boss 1211 with the same number and corresponding position as the card interface 201, and the card boss 1211 is carded in the card interface 201. When disassembling, open the box door 11, pull the water tank 2 upward, so that the card boss 1211 is separated from the card interface 201, and the water tank 2 is taken out of the mounting cavity 121. In some embodiments, in order to facilitate the setting of the opening angle of the box door 11, the angle between the box door 11 and the box body 1 is less than or equal to 180°, and the box door 11 and the box body 1 are connected by a hinge. In some embodiments, in order to further improve the installation accuracy of the water tank 2 and the mounting cavity 121, the gap between the outer wall of the water tank 2 and the mounting cavity 121 is less than or equal to 0.1mm.

[0030] Furthermore, in order to facilitate the design of the structure of the water tank 2, refer to Figure 6 , Figure 7 The water tank 2 includes a body 21 and a cover 22, and the card interface 201 is located at two opposite side walls of the bottom of the body 21. The cover 22 is arranged on the top of the body 21. The body 21 is hollow inside and open at the top. The detection end of the water level sensor is located inside the body 21. In order to facilitate the disassembly and assembly of the water tank 2, a handle 211 is provided on the side of the outer wall of the body 21 facing the box door 11. Furthermore, in order to improve the sealing effect between the cover 22 and the body 21, separate the water inside the body 21 from the external environment, and prevent the water inside the body 21 from being polluted by the external environment, the bottom surface of the cover 22 partially extends downward to form a card connection portion 221, and the outer wall of the card connection portion 221 is arranged to fit the inner wall of the opening.

[0031] Furthermore, when the power is off, water can be added manually. In order to facilitate the observation of the water level in the water tank 2, refer to Figure 6 , Figure 7 The main body 21 and the cover 22 are both made of transparent material. In order to facilitate the control of the water level in the water tank 2, a low water level scale line 212 and a high water level scale line 213 are also provided on the side wall of the main body 21.

[0032] Furthermore, in order to facilitate the control of the water flow rate of the coffee machine, a water flow sensor is also provided on the first pipe 31 . Specifically, in this embodiment, the water flow sensor is located between the three-way connector 32 and the booster pump 33 .

[0033] In summary, the embodiment of the utility model provides a coffee machine with fully automatic water inlet, in which a door 11 is hingedly provided on the front side of the box body 1, and the water tank 2 is detachably installed in the box body 1 and arranged toward the door 11. The water tank 2 can be disassembled by opening the door 11, which is convenient for cleaning and the water tank 2 can also be taken out for adding water. A booster pump 33 is provided to increase the delivery pressure of the water flow in the heating pipeline 3, which is convenient for brewing and discharging coffee in the coffee making chamber 5. In addition, the water in the external water purifier is injected into the water tank 2 from the connecting pipe 43 through the three-way joint 32 through the first joint 44 through the water inlet pipe 41 and the flow control pump 42, so that the coffee machine can be automatically filled with water. Moreover, the flow control pump 42 is electrically connected to the low water level sensor, so that the water inlet amount in the water tank 2 can be accurately controlled, and the degree of automation is high.

[0034] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principle of the present invention. These improvements and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. A fully automatic water-inlet coffee machine, characterized in that: It includes a box body, a water tank, a heating pipeline, a water supply pipeline and a coffee making chamber; The front side of the box body is hinged with a box door, the water tank is detachably installed in the box body and arranged toward the box door, a first water inlet is provided at the bottom of the water tank, and a low water level sensor is provided in the water tank; The heating pipeline comprises a first pipeline, a three-way joint, a booster pump, a heating element, and a second pipeline which are connected in sequence. The heating element and the booster pump are fixedly connected to the box body. One end of the first pipeline is connected to the first water inlet, and the other end is connected to the first end of the three-way joint. The second end of the three-way joint is connected to the booster pump. The second pipeline is connected to the coffee making chamber. The water supply pipeline includes a water inlet pipe, a flow control pump and a connecting pipe that are connected in sequence. The flow control pump is fixedly connected to the box body, and one end is connected to the water inlet pipe, and the other end is connected to the third end of the three-way joint through the connecting pipe. The flow control pump is electrically connected to the low water level sensor and the control system for controlling the water level in the water tank. The end of the water inlet pipe is also provided with a first connector for connecting to an external water purifier.

2. The fully automatic water-inlet coffee machine according to claim 1, characterized in that: A shell is embedded in the front side of the box body, a mounting cavity is provided in the shell, the water tank is located in the mounting cavity, card interfaces are provided on two opposite side walls of the bottom of the water tank, and the inner wall of the mounting cavity is provided with card bosses with the same number and corresponding positions as the card interfaces, and the card bosses are carded in the card interfaces.

3. The fully automatic water-inlet coffee machine according to claim 1, characterized in that: The water tank includes a body and a cover, wherein the cover is arranged on top of the body, the body is hollow inside and open at the upper end, the detection end of the water level sensor is located in the body, and a handle is provided on the outer wall of the body facing the box door.

4. The fully automatic water-inlet coffee machine according to claim 3, characterized in that: The bottom surface of the cover body partially extends downward to form a clamping portion, and the outer wall of the clamping portion is arranged in contact with the inner wall of the opening.

5. The fully automatic water-inlet coffee machine according to claim 4, characterized in that: The body and the cover are both made of transparent material, and a low water level scale line and a high water level scale line are also arranged on the side wall of the body.

6. The fully automatic water-inlet coffee machine according to claim 1, characterized in that: A water flow sensor is also provided on the first pipeline, and the water flow sensor is located between the three-way joint and the booster pump.

7. The fully automatic water-inlet coffee machine according to claim 2, characterized in that: The gap between the outer wall of the water tank and the installation cavity is less than or equal to 0.1 mm.

8. The fully automatic water-inlet coffee machine according to claim 1, characterized in that: The angle between the box door and the box body is less than or equal to 180°.

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